642728143000440

Names of 642728143000440

• Cardinal: 642728143000440 can be written as Six hundred forty-two trillion, seven hundred twenty-eight billion, one hundred forty-three million, four hundred forty.

Scientific notation

• Scientific notation: 6.4272814300044 × 10¹⁴

Factors of 642728143000440

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 389590

Divisors of 642728143000440

• Number of divisors d(n): 576
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 18 20 21 24 28 30 31 35 36 40 42 45 49 56 60 62 63 70 72 84 90 93 98 105 120 124 126 140 147 155 168 180 186 196 210 217 245 248 252 279 280 294 310 315 360 372 392 420 434 441 465 490 504 558 588 620 630 651 735 744 840 868 882 930 980 1085 1116 1176 1240 1260 1302 1395 1470 1519 1736 1764 1860 1953 1960 2170 2205 2232 2520 2604 2790 2940 3038 3041 3255 3528 3720 3906 4340 4410 4557 5208 5580 5880 6076 6082 6510 7595 7812 8680 8820 9114 9123 9765 11160 12152 12164 13020 13671 15190 15205 15624 17640 18228 18246 19530 21287 22785 24328 26040 27342 27369 30380 30410 36456 36492 39060 42574 45570 45615 54684 54738 60760 60820 63861 68355 72984 78120 85148 91140 91230 94271 106435 109368 109476 121640 127722 136710 136845 149009 170296 182280 182460 188542 191583 212870 218952 255444 273420 273690 282813 298018 319305 364920 377084 383166 386501 425740 447027 471355 510888 546840 547380 565626 596036 638610 659897 745045 754168 766332 773002 848439 851480 894054 942710 957915 1094760 1131252 1159503 1192072 1277220 1319794 1341081 1414065 1490090 1532664 1546004 1696878 1788108 1885420 1915830 1932505 1979691 2235135 2262504 2319006 2554440 2639588 2682162 2705507 2828130 2980180 3092008 3299485 3393756 3478509 3576216 3770840 3831660 3865010 3959382 4242195 4470270 4619279 4638012 5279176 5364324 5411014 5656260 5797515 5939073 5960360 6598970 6705405 6787512 6957018 7663320 7730020 7918764 8116521 8484390 8940540 9238558 9276024 9898455 10728648 10822028 11312520 11595030 11878146 11981531 13197940 13410810 13527535 13857837 13914036 15460040 15837528 16233042 16968780 17392545 17881080 18477116 18938549 19796910 21644056 23096395 23190060 23756292 23963062 24349563 26395880 26821620 27055070 27715674 27828072 29695365 32466084 33937560 34785090 35944593 36954232 37877098 39593820 40582605 41573511 46192790 46380120 47512584 47926124 48699126 53643240 54110140 55431348 56815647 59390730 59907655 64932168 69289185 69570180 71889186 75754196 79187640 81165210 83147022 83870717 92385580 94692745 95852248 97398252 107833779 108220280 110862696 113631294 118781460 119815310 121747815 138578370 139140360 143778372 151508392 162330420 166294044 167741434 170446941 179722965 184771160 189385490 194796504 207867555 215667558 227262588 237562920 239630620 243495630 251612151 277156740 284078235 287556744 324660840 332588088 335482868 340893882 359445930 378770980 415735110 419353585 431335116 454525176 479261240 486991260 503224302 539168895 554313480 568156470 587095019 670965736 681787764 718891860 754836453 757541960 831470220 838707170 852234705 862670232 973982520 1006448604 1078337790 1136312940 1174190038 1175349541 1258060755 1363575528 1437783720 1509672906 1662940440 1677414340 1704469410 1761285057 2012897208 2156675580 2272625880 2348380076 2350699082 2516121510 2935475095 3019345812 3354828680 3408938820 3522570114 3526048623 3774182265 4313351160 4696760152 4701398164 5032243020 5283855171 5870950190 5876747705 6038691624 6817877640 7045140228 7052097246 7548364530 8227446787 8806425285 9402796328 10064486040 10567710342 10578145869 11741900380 11753495410 14090280456 14104194492 15096729060 16454893574 17612850570 17630243115 21135420684 21156291738 23483800760 23506990820 24682340361 26419275855 28208388984 30193458120 32909787148 35225701140 35260486230 36435835771 41137233935 42270841368 42312583476 47013981640 49364680722 52838551710 52890729345 57592127509 65819574296 70451402280 70520972460 72871671542 74047021083 82274467870 84625166952 98729361444 105677103420 105781458690 109307507313 115184255018 123411701805 141041944920 145743343084 148094042166 164548935740 172776382527 182179178855 197458722888 211354206840 211562917380 218615014626 230368510036 246823403610 255050850397 287960637545 291486686168 296188084332 327922521939 329097871480 345552765054 364358357710 370235105415 423125834760 437230029252 460737020072 493646807220 510101700794 518329147581 546537536565 575921275090 592376168664 655845043878 691105530108 728716715420 740470210830 765152551191 863881912635 874460058504 987293614440 1020203401588 1036658295162 1093075073130 1151842550180 1275254251985 1311690087756 1382211060216 1457433430840 1480940421660 1530305102382 1639612609695 1727763825270 1785355952779 2040406803176 2073316590324 2186150146260 2295457653573 2303685100360 2550508503970 2591645737905 2623380175512 2961880843320 3060610204764 3279225219390 3455527650540 3570711905558 3825762755955 4146633180648 4372300292520 4590915307146 5101017007940 5183291475810 5356067858337 6121220409528 6558450438780 6911055301080 7141423811116 7651525511910 8926779763895 9181830614292 10202034015880 10366582951620 10712135716674 11477288267865 13116900877560 14282847622232 15303051023820 16068203575011 17853559527790 18363661228584 20733165903240 21424271433348 22954576535730 26780339291685 30606102047640 32136407150022 35707119055580 42848542866696 45909153071460 53560678583370 64272814300044 71414238111160 80341017875055 91818306142920 107121357166740 128545628600088 160682035750110 214242714333480 321364071500220 642728143000440
• Sum of all divisors σ(n): 2509121264382720
• Sum of proper divisors (its aliquot sum) s(n): 1866393121382280
• 642728143000440 is an abundant number, because the sum of its proper divisors (1866393121382280) is greater than itself. Its abundance is 1223664978381840

Bases of 642728143000440

• Binary: 10010010001000111011001110101001101001001101111000₂
• Hexadecimal: 0x2488ECEA69378
• Base-36: 6BTT8DLDA0

Squares and roots of 642728143000440

• 642728143000440 squared (642728143000440²) is 413099465804794049765840193600
• 642728143000440 cubed (642728143000440³) is 265510652531189043868402161849185454485184000
• The square root of 642728143000440 is 25352083.6027423987
• The cube root of 642728143000440 is 86299.6641451347

Scales and comparisons

• 642,728,143,000,440 seconds is equal to 20,436,766 years, 44 weeks, 4 days, 13 hours, 54 minutes.
• To count from 1 to 642,728,143,000,440 would take you about fifty-one million, ninety-one thousand, nine hundred seventeen years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 642728143000440 cubic inches would be around 7191.6 feet tall.

Recreational maths with 642728143000440

• 642728143000440 backwards is 044000341827246
• 642728143000440 is a Harshad number.
• The number of decimal digits it has is: 15
• The sum of 642728143000440's digits is 45
• More coming soon!